<div class="jumbotron" style="width: 100%; height: 100%; background-repeat: repeat-x; background-image: url(/static/login_img/154639-154848879982ac.jpg);">
    <h1>欢迎来到企业进销存</h1>
    <p>welcome to company</p>
    <p><a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a></p>
</div>